B - Candy Love (BIT2B)

#include <bits/stdc++.h>

using namespace std;

template <typename A, typename B>
string to_string(pair<A, B> p);

template <typename A, typename B, typename C>
string to_string(tuple<A, B, C> p);

template <typename A, typename B, typename C, typename D>
string to_string(tuple<A, B, C, D> p);

string to_string(const string& s) {
  return '"' + s + '"';
}

string to_string(const char* s) {
  return to_string((string) s);
}

string to_string(bool b) {
  return (b ? "true" : "false");
}
string to_string(const char &ch) {
  return string(1, ch);
}

string to_string(vector<bool> v) {
  bool first = true;
  string res = "{";
  for (int i = 0; i < static_cast<int>(v.size()); i++) {
    if (!first) {
      res += ", ";
    }
    first = false;
    res += to_string(v[i]);
  }
  res += "}";
  return res;
}

template <size_t N>
string to_string(bitset<N> v) {
  string res = "";
  for (size_t i = 0; i < N; i++) {
    res += static_cast<char>('0' + v[i]);
  }
  return res;
}

template <typename A>
string to_string(A v) {
  bool first = true;
  string res = "{";
  for (const auto &x : v) {
    if (!first) {
      res += ", ";
    }
    first = false;
    res += to_string(x);
  }
  res += "}";
  return res;
}

template <typename A, typename B>
string to_string(pair<A, B> p) {
  return "(" + to_string(p.first) + ", " + to_string(p.second) + ")";
}

template <typename A, typename B, typename C>
string to_string(tuple<A, B, C> p) {
  return "(" + to_string(get<0>(p)) + ", " + to_string(get<1>(p)) + ", " + to_string(get<2>(p)) + ")";
}

template <typename A, typename B, typename C, typename D>
string to_string(tuple<A, B, C, D> p) {
  return "(" + to_string(get<0>(p)) + ", " + to_string(get<1>(p)) + ", " + to_string(get<2>(p)) + ", " + to_string(get<3>(p)) + ")";
}

void debug_out() { cerr << endl; }

template <typename Head, typename... Tail>
void debug_out(Head H, Tail... T) {
  cerr << " " << to_string(H);
  debug_out(T...);
}

#ifdef LOCAL
#define pr(...) cerr << "[" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__)
#else
#define pr(...) 42
#endif

double tick(){
  static clock_t oldtick;
  clock_t newtick = clock();
  double diff = 1.0 * (newtick - oldtick) / CLOCKS_PER_SEC;
  oldtick = newtick;
  return diff;
}

int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);
  cout << setprecision(10);
  cout << fixed;
  #ifdef LOCAL
    freopen("b_candy_love.in", "rt", stdin);
  #endif


  int tt, x;
  cin >> tt;
  while(tt--) {
    int n;
    cin >> n;
    vector <int> arr(n);
    for (int i = 0; i < n; i++) {
      cin >> arr[i];
    }
    cin >> x;

    vector <long long> cum1(n, 0);
    vector <long long> cum2(n, 0);
    cum1[0] = arr[0];
    for (int i = 1; i < n; i++) {
      cum1[i] = cum1[i - 1] + arr[i];
    }
    cum2[n - 1] = arr[n - 1];
    for (int i = n - 2; i >= 0; i--) {
      cum2[i] = cum2[i + 1] + arr[i];
    }

    if (n == 1) cout << 1 << " " << 0 << endl;
    else if (n == 2) cout << 1 << " " << 1 << endl;
    else {
      pair <int, int> ans = {1, 1};
      for (int i = 1; i < n - 1; i++) {
        long long tl = cum1[i - 1] / x;
        long long rl = cum2[i + 1];
        if (tl == rl) {
          if (cum1[i - 1] % x == 0) {
            ans.first = i + 1;
            ans.second = n - i - 1;
          } else {
            ans.first = i;
            ans.second = n - i;
          }
          break;
        }
        else if (tl < rl) {
          ans.first = i + 1;
          ans.second = n - i - 1;
        } else {
          ans.first = i;
          ans.second = n - i;
          break;
        }
      }
      cout << ans.first << " " << ans.second << endl;
    }
  }
  #ifdef LOCAL
    fprintf(stderr, "Time elapsed: %.12lf secs...\n", tick());
  #endif
  return 0;
}